The command for enabling a database "test" for text search operations looks as follows.

对数据库“test”启用文本搜索操作的命令如下。

youdao

In this article, you'll take a quick look at getting text from files and programs, simple transliterations using the tr command, and complex search and replace actions using the sed command.

在本文中，您将简要了解从文件和程序中获得文本、使用tr命令对其进行简单的转换、使用sed命令进行复杂的搜索和替换操作。

youdao